Re: [Xen-devel] [PATCH] xen/x86: Fix up rules when forcing -mno-sse

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 12.08.15 at 17:23, <cardoe@xxxxxxxxxx> wrote:
> From: Nathan Rossi <nathan.rossi@xxxxxxxxxx>
> 
> * When forcing -mno-sse specify -mfpmath=387 to avoid the fallback
>   warning

"the fallback warning" being what? I've never seen any, and I don't
think I've ever heard anyone else say there was one.

Apart from that I don't think -mfpmath=387 is what we want - we'd
better tell the compiler to not use x87 registers at all.

Jan


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